1379750430 has 128 divisors (see below), whose sum is σ = 3595622400. Its totient is φ = 337582080.

The previous prime is 1379750423. The next prime is 1379750467. The reversal of 1379750430 is 340579731.

It is a happy number.

It is a super-2 number, since 2×1379750430² = 3807422498170369800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5091195 + ... + 5091465.

It is an arithmetic number, because the mean of its divisors is an integer number (28090800).

Almost surely, 2^1379750430 is an apocalyptic number.

1379750430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379750430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797811200).

1379750430 is an abundant number, since it is smaller than the sum of its proper divisors (2215871970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1379750430 is a wasteful number, since it uses less digits than its factorization.

1379750430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1379750430 is about 37144.9919908458. The cubic root of 1379750430 is about 1113.2691626593.

The spelling of 1379750430 in words is "one billion, three hundred seventy-nine million, seven hundred fifty thousand, four hundred thirty".